现在有18个国家使用地热发电。
Eighteen countries now generate electricity using geothermal heat.
这并不意味着地热发电没有竞争力。
Or mat在内华达州的地热发电厂。
地热发电是利用天然地质老天源产生的电力。
Geothermal power is electricity generated by utilizing naturally occurring geological hea sources.
1904年，在意大利的拉德莱罗，首次实现了地热发电。
The first geothermally generated electricity was produced in Larderello, Italy, in 1904.
本文提出了一种新的地热发电系统，并对其进行了热力学优化。
This paper presents a new geothermal power generating system and its thermodynamic optimization.
澳大利亚的公司甚至都在开凿新的钻井，全部都是人造地热发电站。
Australian companies have even begun drilling Wells for new, entirely man-made geothermal power plants.
本文介绍采用螺纹管强化地热发电用有机物质冷凝器传热的实验研究。
This paper describes experimental study of spiral fluted tube organic condensers to enhance heart transfer for geothermal power generation.
再加上1太瓦的风力发电田、0.2太瓦的地热发电厂及0.25太瓦生物能量。
Supply would be rounded out with 1 TW of wind farms, 0.2 TW of geothermal power plants and 0.25 TW of biomass-based production for fuels.
大多数地热发电厂所使用的地热井深度大致为2公里（合一英里多一点）。
The wells of most geothermal plants are about 2km (a mile-and-a-bit) deep.
不过最大和最小的可再生能源——水力发电和地热发电都只增加了3%的容量。
Yet the biggest source of renewables, hydropower, and the smallest, geothermal, both only added 3% to capacity.
(据地热能源协会，全世界地热发电量大约10,000兆瓦，可以满足6千万人的需求)。
(Worldwide, geothermal produces about 10, 000 megawatts of capacity that can meet the needs of about 60 million people, according to the geothermal Energy Association).
也正是这种高温，为架设在从爱尔兰到印度尼西亚的世界各地的数量不多的地热发电机组提供了动力。
And it is the heat that powers a modest number of electricity generators around the world, from Iceland to Indonesia.
冶炼厂所需要的能源来自少数新的地热发电站，而建设水坝将破坏原始的荒野，温泉和熔岩原。
The smelters would need energy from a handful of new geothermal power plants and the building of DAMS that would damage pristine wilderness, hot springs and lava fields.
大家知道吗，地球从不停止发热——这意味着一家地热发电厂能像一家核电站那样规律地发电。
You see, the Earth's heat never stops—meaning a geothermal power plant can produce electricity as regularly as a nuclear power plant can.
大多数工程师在寻找地下蒸汽作为地热发电厂的动力时，对于地热资源的挑剔程度不亚于这个小女孩。
Most engineers looking for underground sources of steam to generate geothermal power have similar tastes.
传统的地热发电厂利用了这样一种自然系统，即水分下降至地壳的渗透岩层中，而后又受热蒸腾到地表。
Traditional geothermal plants exploit natural systems in which water seeps down into porous rocks in the ground and emerges back at the surface at a high temperature.
然而，契那发电厂的设计者们利用大量空调部件取代大多数地热发电厂所需地专用部件，从而大幅度地削减开支。
The designers of the plant at Chena, however, managed to slash their capital outlay by substituting mass-produced parts from air-conditioners for the bespoke components of most geothermal plants.
对闪蒸系统和双工质循环的比较表明，前者对中低温地热发电来说，是一种可供选择的较好的单级能量转换系统。
Comparison between flash system and binary cycle shows, the former should be considered a relatively better choice of single stage energy conversion system for low-medium temperature.
如果“冰岛深钻项目(Iceland Deep Drilling Project)”获得成功，那么地热发电的成本将进一步降低。
If the "Iceland Deep Drilling Project" succeeds, it would bring the costs down even further.
地热发电厂利用火山地区——或者地温高且干燥的地点——的干热岩体传导热能给含水层畜热，然后将水注入含水层利用热岩体对其加热并使之汽化。
Geothermal power stations tap aquifers heated by contact with hot rocks in volcanic regions-or, in hot but dry spots, they pump water past such rocks to heat it up.
书中包含了很多人类不得不面对和解决的问题，如：水资源对人类生存的重要作用，环境保护问题，对矿产资源和金属资源的利用，对可再生资源的需求，如：生质能发电、太阳能发电和地热发电。
It looks at the role water plays in sustaining life, the problems of conservation, the use of minerals and metals and the need for renewable resources, such as biomass, solar and geothermal power.
干蒸汽发电是最古老的地热利用技术，从地面断层开采出蒸汽并直接用于驱动汽轮机。
Dry steam, the oldest geothermal technology, takes steam out of fractures in the ground and USES it to directly drive a turbine.
没人知道究竟有多少美国人靠国家公共事业的网络生活—依靠发电机或替代能源，如太阳能、风能和地热能。
No one is sure just how many Americans live off the national public-utilities grid - relying on generators or alternate energy sources such as solar, wind and geothermal.
该项目的重点是风力、太阳能、水力、地热能发电和提高工业能源效率。
The project will focus on wind, solar, hydro, geothermal power and industrial energy efficiency.
该项目的重点是风力、太阳能、水力、地热能发电和提高工业能源效率。
The project will focus on wind, solar, hydro, geothermal power and industrial energy efficiency.
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